US3533756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solids arc reactor method
Assignee: Hercules LLC
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Filing: 1966-11-15
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Granted: 1970-10-13
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Expires: 1986-11-15
Abstract
No abstract record available.
Inventors
- 👤 John Houseman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:41
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/113; C01B33/12; C01B33/18; C01B33/181; B; B82; B82Y; B82Y30/00; C01F; C01F5/00; C01F5/02; C01F7/00; C01F7/02; C01F7/021; C01F7/027; C01G; C01G25/00; C01G25/02; C22; C22B; C22B9/00; C22B9/16; C22B9/22; C22B9/226; H; H01; H01J; H01J37/00; H01J37/32; H01J37/32009; H01J37/32055; H01J37/32431; H01J37/3244; H05; H05H; H05H1/00; H05H1/24; H05H1/26; H05H1/32; H05H1/42; B01; B01J; B01J2219/00; B01J2219/08; B01J2219/0894; C01P; C01P2004/00; C01P2004/60; C01P2004/62; C01P2004/64; C01P2006/00; C01P2006/12; C01P2006/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2265180A
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US3010009A
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US3082314A
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US3246114A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |